超声波传感器原理图和信息

一个27k的小程序24cxx.exe,这款程序不大,功能却不逊色于某些大型软件,搽读写校样样都能,最大的优点就是速度奇快,完全可以作为量写的工具-a small 27k 24cxx.exe process, not the product, not less functional in certain large-scale software, paint on everything the school can read and write, the biggest advantage is speed brilliantly quick, we can write as a tool for volume

用C51编的温度控制的PID算法适用性强方便移植-with C51 series of PID temperature control algorithm to facilitate transplantation 3DMECAD

LPC2148 SD读写源代码,这个程序实现了对 SD卡的读写操作，有简单的说明，很容易看懂-LPC2148 SD to read and write source code, this process realize the SD card to read and write operations, has a simple explanation, it is easy to understand

MEGA128三线驱动12864液晶 带汉字库的液晶任意地方 单行反白-MEGA128 three-lane drive with LCD 12864 LCD汉字库any local one-way anti-white

* The keyboard is assumed to be a matrix having 4 rows by 6 columns. However, this code works for any * matrix arrangements up to an 8 x 8 matrix. By using from one to three of the column inputs, the driver * can support "SHIFT" keys. These keys are: SHIFT1, SHIFT2 and SHIFT3.

与C51相关模块LCD,24CXX,等的源代码程序-associated with the C51 LCD module, 2 PROM, the source code procedures

C51与PC通信C 51与PC通信C 51与PC通信C51与PC通信-C51与PC通信C51与PC通信C51与PC通信C51与PC通信C51与PC通信C51与PC通信

The 8051 programming in C.

高速PCB设计资料，很好的东西，推荐下载-High-speed PCB design data, very good things, recommended download

这是“led广告屏”程序，已经成功调试，希望对大家有用，谢谢！（最好配合51单片机和伟福编译器）-"led advertising screen" program has been successfully tested and we hope to useful, thank you! (Preferably with 51-fu SCM and compiler)